Add support of generic DT binding for annoucing RTS/CTS lines. The initial
binding 'st,hw-flow-control' is not needed anymore since generic binding
is available, but is kept for backward compatibility.
Signed-off-by: Erwan Le Ray <erwan.le...@st.com>
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 17c2f3276888..9cfcf355567a 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -1033,8 +1033,9 @@ static struct stm32_port *stm32_of_get_stm32_port(struct
platform_device *pdev)
if (WARN_ON(id >= STM32_MAX_PORTS))
return NULL;
- stm32_ports[id].hw_flow_control = of_property_read_bool(np,
- "st,hw-flow-ctrl");
+ stm32_ports[id].hw_flow_control =
+ of_property_read_bool (np, "st,hw-flow-ctrl") /*deprecated*/ ||
+ of_property_read_bool (np, "uart-has-rtscts");
stm32_ports[id].port.line = id;
stm32_ports[id].cr1_irq = USART_CR1_RXNEIE;
stm32_ports[id].cr3_irq = 0;
--
2.17.1
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